John Deere 945 Combines Service Repair Manual Instant Download

1
John Deere
925, 935, 945, 955, 965 and 975 Combines
TM-4307
John Deere Werke Zweibrücken
Printed In Germany (New) (Engl.)
2
Combines 925, 935, 945, 952, 955, 965, 965 H and
975 TM-4307 (May-78)
2
CONTENTS SECTION 10 GENERAL Group 5
Specifications Group 10 Pre delivery, delivery
and after-sales inspections Group l5 Lu
brication and periodic service Group 20 Engine
and combine tune-up Croup 25 Combine
separation SECTION 20 ENGINE Group 5 General
inf orrnation anñ diagnnsing malfunctions Group
10 Cylinder head, camshaft and balancer shatt6
Group 15 Cylinder block,1iners, pistons and
conneetin g rods Group 20 Crankshaft, main
bearings and flywheel Group 25 Timing gear
train Group 30 Engine lubricating system Group
35 Engine cooling system Group 40 Air intake
system Group 45 Speed control liri kage SECTION
30 FUEL SYSTE.V Group 5 Diagnosing
malfunctions Group 10 Fuel tank, water trap,
transfer pump end tuel filter Group 15 Roto
Diesel fuel injection pump Group 20 Roosa
Master fuel injection pump, Def 4 type Group 25
Roosa Master fuel iniection nozzles Group 30
Cold weather starting aids SECTION 40 ELECTR
ICAL SY8TEM Group 5 Diagnosing
malfunctions Group 10 Components and wiring
diagram Group 15 Starting motor Group 20
Alternator SECTION 50 POWER TRAIh Group 5
Engine clutch and ciu tch linkage . com bines
925, 935, 945 Group 10 Engine clutch and clutch
linkage combine 955 C roup 15 Engine clutch -
combines 965 and 975 Group lfl Reverser clutch,
control and linkage - combines 965 and 97â Group
20 Front axle - combines 926, 935, 945 Group 25
Front axle - combines 955, 965 arid 975 Group
30 Track system - combines 965 and 9T n Group
35 Separator drive Group 40 Variable
drives Group 45 POSI TORQ ground drive -
combine 975 SECTION 60 BRAKES AND REAR
AXLE Group 5 Parking brake com bines 925, 935,
945 Group 10 Parking brahe - combines 955, 965,
975 Group 15 Footbrakes Group 20 Rear
axle Group 25 V-support for n'ide rear axle -
coin bine 975 SECTION 70 HYDRA ULIC
SYSTEM Group 5 General information, and
diagnosing malfunctions Group 10 Pressure
tests Group 15 Hy draulic oil reservoir, fiI
ter, suction and pressure line6 Group 20
Hydraulic pump and flow driver Group 25 Tandem
(dual-gear) hydraulic pump - combines 965 and 975
Group 30 Single and three-spool control valves
- combines 925 to 955 Group 35 Seven spool
control valves - com bines 965 and 975 Group 40
Hydraulic cylinders Group 45 Nitrogen
accumulators Group 50 Hydrostatic steering
Group 55 Hydraulic brakes Group 60 Hydraulic
em tch control-combines 965 and 975
Printed in Germany (C 8)
3
Combines 925, 935, 945, 952, 955, 965 H and
975 TM-4307 (May-78) CONTENTS
(Contd.) SECTION 100 CUTTING PLATFORM AND CORN
HEAD Group 5 General information and diagnosing
malfunctions Group 10 Gutting platform and
knife drive Group 15 Corn head Group 20 Corn
head gear case SECTION 110 FEEDER
HOUSE Group 5 General information and
diagnosing malfunctions Group 10 Feeder
house SECTION 120 SEPARATOR AND CLEANING
UNIT Group 5 General information and diagnosing
malfunctions Group 10 Threshing Cylinder Group
15 Concave Group 20 Beatet Group 25 Cross
shaker Group 30 5traw walkers, cleaning shoe
with sieves and fan SECTION 130 ELEVATORS,
GRAIN TANK AND GRAIN TANK UNLOADING AUGERS Group
5 General information and diagnosing
malfunctions Group 10 Clean grain auger and
elevator Group 15 Lower tailings auger,
elevator and upper auger Group 20 Grain tank
leveling auger and unloading augers Group 25
Outer unloading auger and housing
Printed in Germany (C 8)
4
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4
Combines 925, 93ü, 945, 955, 965 and 975 TM-4307
(March-76)
lnfroduction
Uz e Technical Manuale (or Aet mal itemice Yihen
a technician should refer to a FOS
h'Ianual for more information, a FOS symbol like
the one at the left is used in the TM to identify
the reference. Some features of this technical
manual
Use FOIS Manuels for R eerence This technical
manual is part of a twin concept
of service G FOS Manuals for reference
Technical Manuals for actual service The two
kinds of manuals work as a team to give you both
the general background and technical details of
shop service. F'undamen tals of IS eruiee (POS)
Manuals cover basic theory of operation,
fundainentale of trouble shooting, gene ral
maintenance, and bosic types of failures and
their causes. FOS Manuals are for training new
personnel and for reference by experienced
technicians. Technical Manuals are eonoise
service guides for a speCi fic machine. Technical
Manuals are on-the-job guides containing only
the vital information needed by an experienced
technician. IMPORTANT Your technical manual
contains the new SI metric measurements which
have been standardized internationally. Example
G

• _at_ Table o nomerits on page 3 o f IVlanual
• Comerits at front o f each Seetio n
• fi Exploded uie we showiitg ports relatio richip
• Photos showing service techniques
• !Speei fieations at end of each Clroup G Speeial
  tools at end o f each Group

this technical manual was planned and written
for you an experienced technician. Keep it in a
permanent binder in the shop where it is handy.
Refer to it whenever in doubt about correct
service procedures or speciflcations. Using the
technical manual as a guide will reduce error and
costly delay. lt will also assure you the best in
finished service work. This safety alert symbol
identifies impor-
New 10 N (Newton) 10 Nm (Newton-Meter) 1 bar 1
kW
Old
1 kp/cm2 1.36 PS (1.34 HP)
Æ_at_, ænt safety messages in this manual. When
you see this symbol, be alert to the possibi-
lity of personal injury and carefully read the
message that Io llows.
Printed in Oermany
6
Combines 925, 935, 945, 955, 965 and 9'75
I'Id-4307 (Idarch-76)
General 10 Specifications 5-1
Section 10
CONTENTS OF THIS SECTION
Page
Page
GROUP 5 GENERAL
Removal and Installation of Front Axle
Combines 925, 935 and 945 Removal
........................25-10 Installation
......................2ô-12 Removal and
Installation of Front Axle Combines 955, 965
and 975 Removal ........................25-13 Inst
allation ......................25-14 Removal and
Installation of Transmission Combines 925, 935
and 945 Removal ........................
25-14 Installation ......................
25-15 Removal and Installation of Transmission
Combines 955, 965 and 975 Removal
........................ 25-15 Installation
.............. ........ 25-16 Removal and
Installation of Final Drives Combines 965, 965
and 975 Removal ........................25-17 Inst
allation ......................25-17 Removal and
Installation of Rear Axle Combines 925, 935,
945 and 955 Removal ........................25-17
Installation ......................25-18 Removal
and Installation of Rear Axle Combines 965 and
975 Removal ........................
26-18 Installation ......................25-19 Rem
oval and Installation of Hydraulic Steering
Unit Removal ........................
25-19 Installation ......................25-20
Serial numbers........................ 5-3
Model numbers. .
5-5 ...5-5
Specifications ...................
GROUP 10 PREDELIVERY INSPECTION, DELIVERY
SERVICE AND AFTER-SALES INSPECTION Predelivery
inspection .................10-1 Delivery service
.............. , ....... 10-6
. ..10-7
After-sales inspection ....... GROUP l fi
LUBRICATION AND PERIODIC SERVICE
General information ..................15-1 GROUP
20 ENGINE AND COMBINE TUNE-UP AND
ADJUSTMENTS General information
..................20-1 Preliminary engine testing
.............. 20-1 Engine tune-up
...................... 20-3 Checking engine
performance ........... 20-4 Combine adjustments
................. 20-4 Standard torques
.....................20-6
. .30-1
Special tools .......... . . GROUP 25
SEPARATION Removal and Installation of Engine
Combines 925 and 935 General information
................ 25-1 Removal ....................
..... 26-1 Installation ................. ......
25-3 Removal and Installation of Engine
Combines 945 and 955 General information
................25-3 Removal ......... ........
........ 25-3 Installation .....................
..25-5 Removal and Installation of Engine
Combines 965 and 975 General information
................ 26-6 Removal ....................
..... 25-6 Installation ......................
25-10
Printed in Germany
7
10 General 5-2 Specifications
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(March-76)
Page
Page
Removal and Installation of Three Spool Control
Valve Combines 925, 935, 945 and 955 Removal
........................ 25-21 Installation
......................25-21 Removal and
Installation of Single Spool Control Valve
Combine 955 Removal ........................ 25
22 Installation ......................25-23 Remova
l and Installation of Seven Spool Control Valve
Combines 965 and 975 Removal .....................
...25-23 Installation ......................25
24 Removal and Installation of Bowden Cables for
Seven Spool Control Valve Combines 965 and
975 Removal ........................
25-24 Installation ......................25-26 Rem
oval and Installation of Hydraulic Pump Combine
925 Removal ........................25-25 Installa
tion ......................25-26 Removal and
Installation of Hydraulic Pump Combines 935,
945 and 955 Removals ....................... ,
25-26 Installation ......................25-27 Rem
oval and Installation of Hydraulic Pump
Combines 965 and 975 Removals ....................
....25-28 Installation ......................25-28
Removal and Installation of Brake Master
Cylinder Removal ........................25-29 Ins
tallation ......................25-30
Removal and Installation of Clutch Master
Cylinder Combines 965 and 975 Removal
........................25-30 Installation
...................... 25-30 Removal and
Installation of Steering Cylinder Removal
........................25-31 Installation
......................25-31 Removal and
Installation of Engine Clutch Combines 925, 935
and 945 Removal ........................25-31 Inst
allation ......................25-32 Removal and
Installation of Engine Clutch Combines 955 and
965 Removal ........................
25-32 Installation ......................25-34 Rem
oval and Installation of Posi Torq Ground Drive
Combine 975 Removal of upper unit .............
25-34 Removal of lower unit.......... .... 25-35
Installation of upper and lower unit
... 25-36 Removal and Installation of Reverser
Clutch Combines 965 and 975 Removal and
installation............ 25-37 Removal and
Installation of Hydraulic Swing Unloading Auger
Combines 965 and 975 Removals ....................
....25-37 Installation ......................25-38
Torques for hardware ................25-39 Specia
l tools ....................... 25-39
Printed in Germany
8
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(March-76)
General 10 Specifications 5-3
fiOUp 5 Specifications
SERIAL NUMBERS NOTE. Please quote all the serial
num bers stamped in the appropiate serial
numher plate when
ordering
replacament parts for
your combine,
combine engine and specia l
equipment (e.g.
operator's cab, cutting plat form
trailer). Serial number plates are located as
follows Combine The combine serial number is
stamped into the name plate on the right-hand
side of the operator's platform (see fig. 1). The
serial number is also stamped into the right-
Pig. 2 Serial Number Stamped into Angle
Prame Engine
hand angle frame of the combine if the name plate
gets lost for any reason (see fig. 2).
The serial number of
a John Deere engine is
stamped into the name plate on the lower right of
the cylinder block near the fuel transfer pump
(see
fig. 3).
Fig. 1 Serial Number Plate on Operator's PIat-
form Pig. 3 Engine Serial Number on a John
Deere Engine Cutting Platform
The serial number of
the cutting platform is
stamped into a plate on the outer right-hand side
panel of the platform (see fig. 4).

The various sized cutting platforms are marhed as
follows A 7 ft. 9 in.
D
1 2 ft. F 14 ft. G
16 ft. 1 8 ft.
B C
8 (t. 5 in. 10 ft.
E
Printed in Germany
9
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(March-76)
10 General 5-4 Specifications
Z 61230 Fig. 6 Serial Number of Cutting
Platform Trailer
Fig. 4 Serial Number of Cutting Platform (14
ft. cutting platform Shown)
Operator's Cab The operator's cab serial number
is stamped into the name plate located on the
right-hand inner side panel of cab.
Corn Head
corn head serial number is stamped into a
The
plate on the right-hand side below the drive guard
(see fig. 5).
Fig. 7 Serial Number of Operator's Cab
Fig. 5 Corn Head Serial Number
Fuel Injection Pump The fuel injection pump type
and serial number (Roto-Diesel or Roosa-Master)
is stamped into the name plate located on pump
housing (see figs. 8 and 9).
Cutting Platform Trailer
trailer serial number is
The cutting platform
stamped into the name plate located on the right-
hand side of the trailer drawbar behind the
towing eye (see fig. 6).
Printed in Germany
10
General Specifications
10 5-5
2997
"x i
Z 61310 Fig. 10 Serial Number of Track
Assembly, L.H. Side
Fig. 8
Serial Number
of Fuel Injection Pump
(Roto-Diesel on Combines 925 to 965)
"--" " "
MODE L NUMBE RS The fuel injection pump,
injection nozzles, alterna-
tor, starting motor and the hydraulic pump have
model numbers
to
facilitate identification
of
a given unit.
SPECIFICATIONS The specific operator's
manual contains all the
necessary specifications.
Fig. 9 Serial Number of Fuel
Injection
Pump
(Roosa-Master on Combine 975) Track Assembly
The track assembly serial number is Stamped into
the outer side of track frame below the front
idler bracket. Left-hand track assemblies are
numbered with an
odd serial
number. R ight-hand track
assemblies
have an even serial number (see fig. 10).
Printed in Germany
11
Combines 925, 935, 945, 955, 965 and
975 General 10 TM-4307 (March-76) Predelivery
Inspection, Delivery Service and After-Sales
Inspection 10-1
FOUR Predelivery Inspection, Delivery Service and
After-Sales Inspection PREDELIVERYSERVICE
Every new JOHN DEERE combine leaves the
factory in such a condition that it can be
delivered to the customer after a minimum of
service. To promote complete customer
satisfaction, proper delivery service and the
thorough completion of the following inspections
arevery important as they contribute to
trouble-free operation of the combine.
It was necessary to dismantle various parts of
the combine prior to its shipment by rail
(railway regulations maximum width and height).
The reassembling of these parts should be carried
out by the dealer, complying with the separate
instal- lation instructions supplied (e.g. Grain
tank instal- lation instructions for 965 and 975
combines Z 91151). The following inspections
etc. must be carried out by the dealer
TEMPORARY COMBINE STORAGE
Service Specifications Reference
COMBINE
Shelter combine in a dry, level place. If combine is to be stored for a longer period, block up com- bine, taking load off tires or block up combine, remove wheels and tires and store in a suitable place. Operator's manual
Coat drive chains with thick oil Operator's manual
Leave doors open at bottom of elevator Operator's manual
Lubricate combine completely Operator's manual
Grease threads on adjustment bolts. Apply a coating of grease to slip clutch jaws. Release spring tension. Operator's manual
Touch up all parts where paint has been damaged.
Lower cutting platform onto a horizontal dry base. Lower feeder house. Operator's manual
Coat polished hydraulic piston rods with grease and retract pistons as far as possible. Operator's manual
ENGINE
Cheek coolant level and anti- freeze content in radiator. Coolant level should be midway between radiator core and bottom edge of filler neck Operator's manual
Printed in Germany
12
10 10-2 Predelivery Inspection, Delivery Service
and After-Sales Inspection TM-4307 (March-76)
General
Combines 925, 935, 945, 955, 965 and 975
Service Specificatiotzs Reference
IMPORTANT When the combine is delivered, red cable is not con- nected to alternator terminal B Further, the alternator three-ter- minal plug is not connected. Con- nect cable and plug before opera- ing combine for the first time, NOT before. Connect batteries in the proper polarity. Improper con- nections ( and -) will result in damage to alternator and regu- lator. See pages 10-10-3 and 4 for further important instructions regarding the alternator. Remove anti-corrosion bag from fuel tank strainer and discard. Fill fuel tank with diesel having added approx. 10 of good quality rust inhibitor. Unscrew plug from air intake manifold and inject good quality rust-inhibitor through the opening, while turning over the engine slowly. Rein- stall plug. IMPORTANT Make sure the engine does not start during this procedure, otherwise the operation must be repeated. Seal all engine openings with plugs or oil-proof paper. Place strong strips of paper bet- ween fan belt and pulleys to prevent sticking. Use good quality rust inhibitor, approx. 35 cm (2.0 cu.in.) for each cylinder Operator's manual and Section 40
Printed in Germany
13
Combines 925, 935, 945, 955, 965 and
975 General 10 TM-4307 (March-76) Predelivery
Inspection, Delivery Service and After-Sales
Inspection 10-3 PREDE LIVERY INSPE CT ION
Service S pee ifieations Re fererr ee Operator's manual Operator's manual Operator's manual Operator's manuai Operator's manual Operator's manual Operator's manual See section 20, group 40 See section 20, group 40 See section 20, group 15 Operator's manual and section 40 Operators manual and section 40
GENERAL Make sure that all loosely packed parts and collis on combine have been removed. TIRES AND WIEE LS Tighten front wheel nuts to specified torque. Check tire inflation pressure. LUBRICATION Check crankcase oil level Check oil level in hydraulic reservoir Check transmission oil level Check oil level in final drive assy. (Combines 955, 965 and 975 only) Oil all moving parts such as joints, rollers, adjusting levers etc. ENGINE Check dry-type air cleaner Top up fuel tank and start engine Check if speed control linkage moves easily (Combines 925 to 955) Check engine idle speeds Check injection timing ELECTRICAL SYSTEM Check whether lighting system and control lights are working correctly IMPORTANT The combine is equipped with an alternator When the combine is delivered red cable is not corrected to terminal B. Connect cable before operating combine for the first time. Check with packing note 420 Nm (42 mkp/300 It-lb) Top mark on dip stick Top mark on dip stick ................ Re fererr ee Operator's manual Operator's manual Operator's manual Operator's manuai Operator's manual Operator's manual Operator's manual See section 20, group 40 See section 20, group 40 See section 20, group 15 Operator's manual and section 40 Operators manual and section 40
Printed in Germany
14
10 10-4 Predelivery Inspection, Delivery Service
and After-Sales Inspection TM-4307 (March-76)
General
Combines 925, 935, 946, 955, 965 and 975
Service Specifications Refereace
If the combine is to be operated for a shop time without battery (using a slave battery for starting), do not, under any circumstances interrupt the circuit by switch- ing off the key switch to position "0" before stopping the engine. Further is its recommended to use additiona I current (lights-position 2) while engine is running. Only after having stopped the engine, turn key to position "0" and remove.
With combine battery removed and starting with a slave battery always insulate battery end of disconnemed starter cable pro- perly, to avoid damage to alter- nator and regulator.
With the engine running, do not short circuit or ground (even momentarily) alternator and regulator terminals.
If this advice is disregarded, damage to alternator and regulator may result.
Fill dry charged battery with electrolyte (gravity 1. 28) ac- cording to manufacturer's instructions enclosed. Manufacturer's Instructions
Connect batteries in the proper polarity. If they are improperly connected ("" and "-"), the rectifier diodes will be imme- diately destroyed Section 40
Pirst connect positive () cable and then ground (-) strap of battery Section 40
Check function of reverser clutch unit control lights Green light - forward travel Red light - reverse travel Operator's manual and section 50
COOLING SYSTEM
Cheek radiator for loss of coolant Coolant level should be midway between radiator core and bot- tom edge of filler neck Operator's manual
Check gravity of antifreeze and rust inhibitor mixture Operator's manual
Printed in Germany
15
Combines 925, 935, 945, 955, 965 and
975 General 10 TM-4307 (March-76) Predelivery
Inspection, Delivery Service and After-Sales
Inspection 10-5
Service Specifications Reference
BRAKES
Check brake fluid level in reservoir Operator's manual
Check brake lines for leaks
Check brake operation Operator's manual
Check parking brake Operator's manual
COMBINE
Check pulley sheaves for damaged sidewalls ...
Check flat belts and V-belts for proper tension and see that pul- leys are correctly aligned Operator's manual
Check all drive chains for smooth running and proper tension Operator's manual
Adjust slip clutches Operator's manual
Set reel parallel to platform Operator's manual
Adjust reel tines for first crop to be harvested Operator's manual
Check cutter bar knife for smooth operation and run Operator's manual
Check cutting platform auger fingers for correct setting according to operating conditions and adjust if necessary Operator's manual
The cutting platform should be parallel to the front axle. Adjust, if necessary Operator's manual
Install crop dividers and adjust Operator's manual
Check basic adjustment of concave See Combine Settings Chart Operator's manual
Check chaffer and grain sieve adjustment See Combine Settings Chart Operator's manual
Check cylinder and blower speeds See Combine Settings Chart Operator's manual
Printed in Germany
16
10 10-6 Predelivery Inspection, Delivery Service
and After-Sales Inspection TM-4307 (March-76)
General
Combines 925, 935, 945, 955, 965 and 975
Service Specifications Reference
Check variable ground speed drive belt tension (Combines 925 to 965) Operator's manual
Check Posi-Torq drive belt tension (Combine 975) Operator's manual
Check steering system for proper function Section 70
Cheek controls and instruments for correct function Operator's manual
Check operation of engine clutch Operator's manual
Cheek beater speed with engine running at maximum revs. Beater speed 850 3 0 rpm Operator's manual and section 20, group 40
Check operation of variable cylinder drive Speed range infinitely variable between 470 and 1140 rpm Operator's manual
Check operation of grain tank unloading auger in extended position Operator's manual
At medium engine speed, engage the various drives one after another and listen carefully for any unusual noise. Then set engine at full speed and again engage the various drives. Stop engine immediately should any unusual noise occur and investigate. Operator's manual
DELIVERY SERVICE
A thorough discussion of the operation and
service of the combine at the time of its
delivery helps to assure complete customer
satisfaction. Proper delivery should be an
important phase of the dealer's program. It is a
well-known fact that many complaints have arisen
simply because the owner was not shown how to
operate and service his new combine properly.
Therefore, enough time should be devoted, at
the customer's convenience, to intro- ducing him
to his new combine and explaining to him how to
operate and service it. Using the combine
operator's manual as a guide, be sure that the
owner understands the following points properly

• Adjusting the seat
• Adjusting the steering column
• Operation of control levers and instruments
  Satisfy yourself that customer understands
  fully all operating functions
• Starting and shutting off the engine (important
  instructions for 945, 965 and 975 combines
• with turbocharger)
• All functions of the hydraulic system
• Adjustment of chaffer and sieves
• Cleaning fan speed adjustment with engine
  running
• Importance of the safety rules
• The importance of lubrication and periodic
  service. If necessary, advise customer regarding
  local traffic regulations (extra width, lighting
  etc.)
• Advise customer as to special equipment
  available for his combine and its use

Printed in Germany
17
Combines 925, 935, 946, 966, 965 and 97
ii General 10 TM-4307 (March-76) Predelivery
Inspection, Delivery Service and After-Sales
Inspection 10-7
AFTER-SALES INSPECTION (25 TO 30 HOURS)
In the interest of the purchaser and the dealer
an after-sales inspection should be carried out
by the dealer after the first 25 to 30 hours of
using a new John Deere combine. The purpose of
this inspection is to make sure that the customer
is receiving satisfactory performance from his
combine. At the same time, the inspection should
reveâl whether or not the combine is being
operated, lubricated and serviced properly.
minor difficulties from developing into
serious problems later on. It also will promote
stronger dealer-customer relations and give the
customer an opportunity to ask questions that may
have arisen during the first few days of
use. Thereby the dealer has the further
opportunity of promoting the possible sale of
other new equip- ment. The following inspection
program is recommen- ded
Through this service work
inspection a needless can be eliminated by
volume of preventing
S e rv ie e Specifications Reference
COOLING SYSTEM Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley
Cheek coolant level Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley Operator's manual
Clean exterior of radiator Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley
Cheek hose connections Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley
FUEL SYSTEM Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley
Cheek sediment bowl at fuel- shut-off cock and fuel filter. Clean fuel transfer pump strainer. Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley Operator's manual
Cheek line connections Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley
ELECTRICAL SYSTEM Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley
Cheek gravity of battery electrolyte Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley Operator's manual
Cheek electrolyte level of batteries Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley Operator's manual
Check tension of fan belt Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley Operator's manual
Start engine and cheek operation of lights, indicator lamps and instruments Coolant level should be midway between radiator core and bottom edge of filler neck Gravity should be 1.28 at an electrolyte temperature of 20OC (68F) To bottom of filler neck in each cell 19 mm (3/4 in.) deflection with a 90 N (9 kp/20 lb ) force applied between alternator and crankshaft pulley Operator's manual
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18
10 General Combines 925, 935, 945, 955, 965 and
975 10-8 Predelivery Inspection, Delivery Service
and After-Sales Inspection TM-4307 (March-76)
Service Specifications Reference
LUBRICATION Check crankcase oil level Check transmission oil level Check oil level of final drive housings assys. (Combines 955, 965 and 975 only) Check hydraulic oil reservoir level Lubricate lubricating points ENGINE Check dry-type air cleaner and pre-cleaner Check valve clearance Check engine revolutions at full speed with separator engaged Check engine revolutions at slow idle speed (measured at engine V-belt pulley) Check engine revolutions at full speed (measured at engine V-belt pulley) GENERAL Check clutch pedal adjustment (All combines) Shift transmission through all gears Check operation of hydraulic system Drain hydraulic reservoir and refill with fresh oil. Clean filter strainer (change oil filter on 965 and 975 combines) Check hydrostatic steering system Check foot brakes Check parking brake Tighten all accessible hydraulic lines and connections Check all drive chains for proper tension and alignment Check tension of feeder conveyor drive chain Check slip clutch adjustment Check all flat belts and V-belts for proper alignment and tension Top mark on dip stick Intake valve 0.35 mm (0.014 in.) Exhaust valve 0.45 mm (0.018 in.) Beater speed 850 3 0 rpm 1.250 _ 50 rpm 2.675 rpm . Operator's manual Operator's manual Operator's manual Operator's manual Operator's manual Operator's manual Section 20, group 10 Section 20 Section 20 Section 20 Operator's manual Operator's manual Operator's manual and section 70 Operator's manual Section 70 Operator's manual Operator's manual Operator's manual and section 50 Operator's manual Operator's manual Operator's manual and section 50
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19
Combines 925, 935, 945, 955, 965 and
975 General 10 TM-4307 (March-76) Predelivery
Inspection, Delivery Service and After-Sales
Inspection 10-9
Service SpeciicaGons Reference
Check variable ground speed dñvebelttension(Combines 925 to 965) Operator's manual
Check Posi-Torq drive belt tension (Combine 975) Operator's manual
Check cylinder rasp bars for tightness Operator's manual
Make sure steering arm attaching cap screws are seated correctly and tighten to specified torque 180 Nm (18 mkp/l30 ft-lb) Operator's manual
Tighten front wheel nuts to specified torque (with grain tank empty and cutting plat- form lowered) 420 Nm (42 mkp/300 ft-lb) Operator's manual
Tighten rear wheel bolts to specified torque 180 Nm (18 mkpJ 130 ft-lb) Operator's manual
On the cutter bar, check knife fingers, clip, guides and sections as well as knife register Operator's manual
While the combine is running, walk around and make sure all components are operating properly and that there is no unusual noise
CAUTION Comply with safety suggestions. Operator's manual
Shut-off engine and check for hot bearings Operator's manual
Carry out visual inspection of combine Paint damage, loose connections, correct installation of hydraulic lines and hoses, leaks, function of all mechanical parts etc.
Make sure customer has used the proper setting for crops harvested See combine settings chart Operator's manual
Explain the operation of special equipmeñt and operating possibi- lities when harvesting under his particular field conditions
Printed in Germany
20
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(March-76)
General 10 Lubrication and Periodic Service 15-1
Periodic Service
For brands of oil and lubricants to be used as
well as for lubricating end servicing a combine,
see relevant operator's manual.
Printed in Germany
21
Combines 925, 935, 945, 955, 965 and 975 TM-4301
(March-7 6)
General 10 Engine and Combine Tune-Up and
Adjustments 20-1
Engine ond Combine Tune-up and
Adjustments GENERAL IN FORMATION
Before tuning up the engine, determine whether a
tune-up will restore operating efficiency. If
there is
doubt, the following preliminary tests will help
to determine if the engine can be tuned up.
PRELIMINARY ENGINE TESTING
B eIe rence
Cheek air intake system by means of vacuum gauge (on engines with Turbocharger cheek before turbocharger) Check radiator for air bubbles or oil film Cheek compression with cranking speed of 180 rpm which should be at least (usingspeciatoolNo. 19.58-90.578) Measure blow-by at crankcase vent tube Air restriction indicator registers at 0.0635 bar vacuum or 635 mm (25 in.) waterhead, engine running at fast idle speed 24 bar (348 psi) See below Fundamentals of Service Engine manua " under Diagnosing and Testing" Fundamentals of Service Engine manual under Diagnosing and Testing See below
Measuring the volume of escaping exhaust fumes is
an important cheek in preliminary engine testing.
For permissible exhaust fume volume at a given
engine speed observe the following
instructions For a preliminary diagnosis on
the general condition of an engine, both
compression and volume of escaping exhaust
fumes should be determined.
Measuring the volume of escaping exhaust fumes
will show if leakage from combustion chamber into
crankcase is within specified tolerance6. The
i1lu- stration on next page shows how to measure
fumes (using a commercial gas meter available
from your local specialist dealer).
Permissible blow-by at rated speed (2500 rpm)
925 935 945 955 965 975
1.5
eu.ft./h 53 70.6 105.9 212 318
Printed in Germany
22
Combines 925, 935, 945, 955, 965 and 975
General
10
Set hot engine at rated speed and record volume
of exhaust fumes escaping within 5
minutes. recorded fume volume times 12 to obtain
Test as folloWS'
Warm up engine and remove breather pipe from
Multiply
engine. Use a commercial gas meter for measuring
volume of escaping exhaust fumes and connect it
to engine as shown in fig. 1.
this value with
actual volume per hour. Compare
If
specifications stated in table on previous page.
determined value is less than or identical to
specifi-
cations, engine is in order. However, if
determined value exceeds specified value,
impermissible wear of piston rings and liners is
indicated. In that case the engine must be
overhauled.
Exhaust
Fig. 1 Measuring Volume of Engine Fumes,
Using a Gas Meter

1. Inlet line of gas meter
2. Outlet line of gas meter

1. Breather hole in roeher ar- cover
2. Commercial gas meter

Printed in Germany
23
Combine 925, 935, 945, 955, 965 and 975
IM-4307 (March-76)
General 10 Engine and Combine Tune-Up and
Adjustments 20-3
ENGINE TUNE-UP
Service Specifications R efererice R efererice
AIR INTAKE SYSTEM Dry-type cleaner - clean filter element and dust unloading valve Check crankcase vent tube for foreign particles (restriction) CYLINDER HEAD Tighten cylinder head cap screws Cheek and adjust valve clearance TURBOCHARGER Cheek turbocharger for lubrication oil leakage Cheek turbocharger for excessive vibration at rated speed Check turbocharger for unusual noise at rated speed BATTERY Thoroughly clean cables, connec- tions and battery Liberally coat battery terminals and cable connectors with petroleum jelly Check electrolyte level of battery Check specific gravity of electrolyte ALTERNATOR Cheek fan belt tension FUEL SYSTEM Check fuel tank and lines for leaks or restriction Clean screen of fuel transfer pump 150 Nm (15 mkp/l10 ft-lb) Intake valve 0.35 mm (0.014 in.) Exhaust valve 0.45 mm (0.018 in.) Operator's manual and " Fundamentals of Service Engine manual Section 20, group 10 Section 20, group 10 Section 20, group 10 and Fundamentals of Service Engine " manual Operator's manual Operator's manual Operator's manual Operator's manual
Printed in Germany
24
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(March-76)
10 General 20-4 Engine and Combine Tune-Up and
Adjustments
ENGINE TUNE-UP - Continued
Check filter element and replace, if
necessary Check injection timing and adjust, iI
necessary Bleed fuel system Cheek engine speed
and adjust speed control linkage, if
necessary ENGINE LUBRICATION SYSTEM Cheek minimum
engine oil pressure
Operator's manual
Section 30, group 15 Operator's manual
Section 20, group 45
Section 20
1 bar (14 psi) at 1200 rpm 35 to 4.2 bar (50 to
60 psi) at 2600 rpm
COOLING SYSTEM Clean and flush cooling system
Fundamentals of Service Engine manual
Check radiator hoses for damage and leaks Clear
radiator core oI restrictions CHECKING ENGINE
PERFORMANCE
After the engine has been tuned up as explained
above determine horsepower by means of a
dynamometer or other suitable measure device.
Compare measured horsepower with specified
value in Operator's fiIanuaI or Specifications
in section 10, group 5.
If the variation exceeds 5 there is another
defect which should be repaired.
COMBINE AOJUSTMENTS After carrying out engine
tune-up, adjust combine as follows
Snvie Specificatioas Ref'erence
ENGINE CLUTCH . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb
Adjust clutch pedal free travel . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb Operator's manual
YHEELS . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb
Clean and lubricate rear wheel bearings . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb Section 60
Adjust rear wheel bearings . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb Section 60
Check toe-in . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb Operator's manual
Check torque of rear wheel bolts . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb Operator's manual
Check torque of front wheel nuts . . ........... .. . . 4 tO 6 mm (5 32 to 15/64 in.) 180 Nm (18 mkp/130 ft-lb) 420 Nm (42 mkp/300 ft-lb Operator's manual
Printed in Germany
25
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(March-76)
General 10 Engine and Combine Tune-Up and
Adjustments 20-5
COMBINE ADJUSTMENTS Continued
Service Specifications R efezence 10
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Operator's manual
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Operator's manual
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Operator's manual
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Operator's manual
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Operator's manual
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque 93 bar (1350 psi) Section 70
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque 145 bar (2105 psi) Section 70
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque 10.4 liters/min. 2.75 U.S.gals./min. Section 70
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque 32 liters/min. 8.5 U.S.gals./min. Section 70
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Operator's manual
BRAKES Bleed foot brakes Adjust parking brake SEPARATOR Adjust beater speed Check basic adjustment of concave and cylinder GROUNDDRIVE Adjust variable ground drive or Posi-Torq HYDRAULIC SYSTEM Check maximum system pressure in hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) Check maximum system pressure in lift cylinder (secondary) circuit (use hydraulic test unit 19.58-90.260 or AZ 90989 and adapter as shown in Special Tools) Check hydraulic pump delivery to hydrostatic steering (primary) circuit (use hydraulic test unit AZ 90989 and adapters as shown in Special Tools) Check hydraulic pump delivery to lift cylinder (secondary) circuit (use hydraulic test unit AZ 90989 and adapter as shown in Special Tools) TIRES Check tire inflation pressure TORQUES Check all accessible cap screws and nuts of combine for proper torque Torque chart
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10 General 20-6 Engine and Combine Tune-Up and
Adjustments
Combines 925, 935, 945, 955, 965 and 975 TM-4307
(Marcb-76)
STANDARD TORQUES
Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws Recommended torques in Nm, mkp and ft-lb for UNC cap screws
Grade according to
DIN 5.6 (SD) 5.6 (SD) 5.6 (SD) 8.8 (8G) 8.8 (8G) 8.8 (8G) 10.9 (l0 K) 10.9 (l0 K) 10.9 (l0 K)
SAE 2 2 2 5 5 5 8 8 8
JDM head marking A 17 B A 17 B A 17 B A 17 D 8.8 or 8 8 A 17 D 8.8 or 8 8 A 17 D 8.8 or 8 8 A 17 F 10.9 or 10 9 A 17 F 10.9 or 10 9 A 17 F 10.9 or 10 9
Thread O.D. UNC(n.) Nm mkp ft-lb Nm mkp tt-lb Nm mkp rt lb
1/4 8 0.8 5.8 12 1.2 8.7 17 1.7 12.0
5/16 15 1.5 11 24 2.4 17 34 3.4 24
3/8 26 2.6 19 40 4 29 57 5.7 41
7/16 39 3.9 28 62 6.2 45 88 8.8 64
1J2 5T 5,7 41 88 8.8 64 125 12.5 90
9/16 79 7.9 5'/ 128 12.8 93 180 18 131
5/8 105 10.5 76 165 16.5 123 240 24 174
3/4 173 17.3 125 280 28 205 400 40 290
78 410 41 302 640 64 465
1 600 60 430 920 92 665
1-1/'8 , 830 83 600 1340 134 970
1-1/4 1090 109 790 1770 177 1280
Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws Recommended torques in Nm, mkp and ft-lb for UNF cap screws
Grade according to DIN SAE JDM head marking 5.6 (SD) A 17 B 5.6 (SD) A 17 B 5.6 (SD) A 17 B 8.8 (8G) 5 A 17 D 8,8 or 8 8 8.8 (8G) 5 A 17 D 8,8 or 8 8 8.8 (8G) 5 A 17 D 8,8 or 8 8 10.9 ( l0K) 8 A l7 F 10.9 or 10 9 10.9 ( l0K) 8 A l7 F 10.9 or 10 9 10.9 ( l0K) 8 A l7 F 10.9 or 10 9
Thread O.D. UNF (in.) Nm mkp tt-lb Nm mkp ft-lb Nm inkp ft-lb
1/4 9 0.9 6.5 14 1.4 10 19 1.9 14
5/16 38 18 29 1.8 2.9 13 21 28 45 2.8 4.5 20 33 38 63 3.8 6.3 2B 46
7)16 1/2 9/16 43 63 85 4.3 6.3 8.5 31 46 62 66 98 140 6.6 9.8 14 48 71 101 94 140 200 9.4 14 20 68 100 143
58 110 11 80 180 18 131 260 26 186
3/4 180 18 131 300 30 215 420 42 304
78 420 42 305 650 65 407
1 620 62 450 960 96 695
1.178 1-1(4 840 1130 84 113 610 820 1370 1840 137 18d 990 1380
Printed in Germany
28
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